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Python memoising/deferred lookup property decorator

... an existing code base containing many classes where instance attributes reflect values stored in a database. I've refactored a lot of these attributes to have their database lookups be deferred, ie. not be initialised in the constructor but only upon first read. These attributes do not change over ...
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Force “git push” to overwrite remote files

I want to push my local files, and have them on a remote repo, without having to deal with merge conflicts. I just want my local version to have priority over the remote one. ...
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Ruby on Rails: How do I add placeholder text to a f.text_field?

How can I add placeholder text to my f.text_field fields so that the text comes pre-written by default, and when a user click inside the fields, the text goes away - allowing the user to type in the new text? ...
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Import multiple csv files into pandas and concatenate into one DataFrame

I would like to read several csv files from a directory into pandas and concatenate them into one big DataFrame. I have not been able to figure it out though. Here is what I have so far: ...
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How to get process ID of background process?

I start a background process from my shell script, and I would like to kill this process when my script finishes. 7 Answers...
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What does ** (double star/asterisk) and * (star/asterisk) do for parameters?

In the following method definitions, what does the * and ** do for param2 ? 22 Answers ...
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Add a CSS class to

... <%= f.submit 'name of button here', :class => 'submit_class_name_here' %> This should do. If you're getting an error, chances are that you're not supplying the name. Alternatively, you can style the button without a clas...
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What is a lambda expression in C++11?

What is a lambda expression in C++11? When would I use one? What class of problem do they solve that wasn't possible prior to their introduction? ...
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How to resolve merge conflicts in Git?

How do I resolve merge conflicts in Git? 36 Answers 36 ...
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How to make lists contain only distinct element in Python? [duplicate]

...h this is that it won't preserve the order. You may also want to consider if a set would be a better data structure to use in the first place, instead of a list. share | improve this answer ...